343540120 has 64 divisors (see below), whose sum is σ = 963705600. Its totient is φ = 107076480.

The previous prime is 343540091. The next prime is 343540133. The reversal of 343540120 is 21045343.

It is a super-2 number, since 2×343540120² = 236039628099228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 343540091 and 343540100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52690 + ... + 58849.

It is an arithmetic number, because the mean of its divisors is an integer number (15057900).

Almost surely, 2^343540120 is an apocalyptic number.

It is an amenable number.

343540120 is an abundant number, since it is smaller than the sum of its proper divisors (620165480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343540120 is a wasteful number, since it uses less digits than its factorization.

343540120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111568 (or 111564 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 343540120 is about 18534.8353108410. The cubic root of 343540120 is about 700.3672358775.

Adding to 343540120 its reverse (21045343), we get a palindrome (364585463).

The spelling of 343540120 in words is "three hundred forty-three million, five hundred forty thousand, one hundred twenty".